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[Cowden's disease: a new paediatric observation]
M Hachicha1, T Kammoun, I Chabchoub
1Service de Pédiatrie, CHU Hédi-Chaker 3029 Sfax, Tunisie. mongia.hachicha@rns.tn
Summary
This study details a pediatric Cowden's disease (multiple hamartoma syndrome) case, highlighting associated conditions like nephrotic syndrome and thyroid cancer. Early diagnosis is crucial for managing cancer risks in affected children.
Area of Science:
- Pediatric Endocrinology
- Clinical Genetics
- Dermatology
Background:
- Cowden's disease, also known as multiple hamartoma syndrome, is a rare genetic disorder.
- It is characterized by an increased risk of developing benign and malignant tumors.
- Genetic mutations in the PTEN gene are commonly associated with Cowden's disease.
Observation:
- A 6-year-old child presented with features of Cowden's disease.
- The child exhibited familial steroid-resistant nephrotic syndrome, gingival and oral mucosal lesions, multiple hamartomas on the back and upper limbs, facial dysmorphism, and follicular thyroid cancer.
- The thyroid cancer was successfully treated with surgery, radioactive iodine, and L-thyroxine supplementation.
Findings:
- The patient's thyroid cancer showed a favorable response to treatment.
- The nephrotic syndrome progressed to chronic renal insufficiency over 11 years.
- This case underscores the multisystemic nature of Cowden's disease in pediatric populations.
Implications:
- Early diagnosis of Cowden's disease is vital for proactive patient monitoring.
- Identifying Cowden's disease allows for timely surveillance of cancer development, the primary complication.
- Comprehensive management strategies are essential for addressing the diverse clinical manifestations and long-term risks associated with this syndrome.